Hydrology

Order of the National Green Tribunal regarding floating hotel in Tehri Lake, 10/02/2025

Order of the National Green Tribunal in the matter of News item titled "Uttarakhand HC License expired why is floating hotel running?" appearing in the Times of India dated 07.01.2024. The MA was registered on the basis of the report dated June 14, 2024 filed by the National Mission for …

Recognize anthropogenic drought

California's current extreme drought must be a lesson for managing water in a warmer, more densely populated world, say Amir AghaKouchak and colleagues. Original Source

Confronting climate uncertainty in water resources planning and project design: the decision tree framework

The Decision Tree Framework described in this book provides resource-limited project planners and program managers with a cost-effective and effort-efficient, scientifically defensible, repeatable, and clear method for demonstrating the robustness of a project to climate change. At the conclusion of this process, the project planner will be empowered to confidently …

Order of the National Green Tribunal regarding illegal sand mining, NCT of Delhi, 24/08/2015

Order of the National Green Tribunal (Principal Bench, New Delhi) in the matter of Rahul Nagar Vs. Govt. of NCT of Delhi & Ors dated 24/08/2015 regarding illegal sand mining on the river bank of Yamuna and its surrounding areas without proper compliance, proper permissions and particular Environmental Clearance.

Inter-sectoral water allocation and conflicts: Perspectives from Rajasthan

The law and policy frameworks for allocation or reallocation of water to different uses, or within a category of use, remain underdeveloped in India. This paper intends providing a starting point for a conversation on the law and policy dimensions of inter-sectoral water allocation. Focusing on a specific inter-sectoral water …

Facing unprecedented drying of the Central Andes? Precipitation variability over the period AD 1000–2100

Projected future trends in water availability are associated with large uncertainties in many regions of the globe. In mountain areas with complex topography, climate models have often limited capabilities to adequately simulate the precipitation variability on small spatial scales. Also, their validation is hampered by typically very low station density. …

Order of the National Green Tribunal regarding construction of roads in Uttarakhand, 11/08/2015

Order of the National Green Tribunal (Principal Bench, New Delhi) in the matter of Himalaya Environment & Employment Co-operative Society Ltd. Vs. State of Uttarakhand & Ors. dated 11/08/2015 regarding construction of roads in Uttarakhand which will cause destruction of greenery and trees as it is a soft soil and …

Performance of two hydrological models in predicting daily flow under a climate change scenario for mountainous catchments in northwestern Costa Rica

Tropical mountain regions contain the main headwaters of important rivers in Central America. We selected 2 contrasting catchments located in a mountainous region to evaluate the precision of daily flow estimates based on the Hydrological Land Use Change (HYLUC) and Nedbør-Afstrømnings Model (NAM) hydrological models. A second objective was to …

Hydrologically driven ecosystem processes determine the distribution and persistence of ecosystem-specialist predators under climate change

Climate change has the capacity to alter physical and biological ecosystem processes, jeopardizing the survival of associated species. This is a particular concern in cool, wet northern peatlands that could experience warmer, drier conditions. Here we show that climate, ecosystem processes and food chains combine to influence the population performance …

Order of the National Green Tribunal regarding river pollution Yamuna, 28/07/2015

Order of the National Green Tribunal (Principal Bench, New Delhi) in the matter of Manoj Mishra Vs. Union of India & Ors. dated 28/07/2015 regarding Yamuna pollution. Additional Chief Secretary, Irrigation and Additional Chief Secretary, Urban Local Bodies Haryana informed the Tribunal that ten cumecs water would be continued to …

Evaluation of spatial pattern of altered flow regimes on a river network using a distributed hydrological model

Alteration of the spatial variability of natural flow regimes has been less studied than that of the temporal variability, despite its ecological importance for river ecosystems. Here, we aimed to quantify the spatial patterns of flow regime alterations along a river network in the Sagami River, Japan, by estimating river …

Hydrologic sensitivity of flood runoff and inundation: 2011 Thailand floods in the Chao Phraya River basin

The Thailand floods in 2011 caused unprecedented economic damage in the Chao Phraya River basin. To diagnose the flood hazard characteristics, this study analyses the hydrologic sensitivity of flood runoff and inundation to rainfall. The motivation is to address why the seemingly insignificant monsoon rainfall, or 1.2 times more rainfall …

The influence of tropical volcanic eruptions on the climate of South America during the last millennium

Currently, little is known on how volcanic eruptions impact large-scale climate phenomena such as paleo-ITCZ position or South American summer monsoon behavior. In this paper, an analysis of observations and model simulations is employed to assess the influence of large volcanic eruptions on the climate of South America. This problem …

Modernizing weather, water, and climate services: a road map for Bhutan

The main objective of this technical assistance paper is to provide recommendations to the Royal Government of Bhutan for modernizing its hydrometeorological services, including capacity strengthening for disaster related early warning systems (EWSs). The DHMS (Department of Hydromet Services) does not have a national hydromet services policy but is in …

Propagation of biases in humidity in the estimation of global irrigation water

Future projections on irrigation water under a changing climate are highly dependent on meteorological data derived from general circulation models (GCMs). Since climate projections include biases, bias correction is widely used to adjust meteorological elements, such as the atmospheric temperature and precipitation, but less attention has been paid to biases …

High geothermal heat flux measured below the West Antarctic Ice Sheet

The geothermal heat flux is a critical thermal boundary condition that influences the melting, flow, and mass balance of ice sheets, but measurements of this parameter are difficult to make in ice-covered regions. We report the first direct measurement of geothermal heat flux into the base of the West Antarctic …

Landscape entropy approach to demarcate pathways for oozing of water in a desert area in India

Oozing of groundwater in Jodhpur city in the desert area of Rajasthan, India has caused weakening of foundations and cellars of buildings and shops. It has become more significant since 1996 when Kaylana lake was connected with Rajiv Gandhi Lift Canal (RGLC) water supply and filling of the lake had …

Modeling relationships between water table depth and peat soil carbon loss in Southeast Asian plantations

Plantation-associated drainage of Southeast Asian peatlands has accelerated in recent years. Draining exposes the upper peat layer to oxygen, leading to elevated decomposition rates and net soil carbon losses. Empirical studies indicate positive relationships between long-term water table (WT) depth and soil carbon loss rate in peatlands. These correlations potentially …

Agriculture intensifies soil moisture decline in Northern China

Northern China is one of the most densely populated regions in the world. Agricultural activities have intensified since the 1980s to provide food security to the country. However, this intensification has likely contributed to an increasing scarcity in water resources, which may in turn be endangering food security. Based on …

Order of the National Green Tribunal regarding the pollution of river Adi Ganga, West Bengal, 06/07/2015

Order of the National Green Tribunal (Eastern Zone Bench, Kolkata) in the matter of Joydeep Mukherjee Vs West Bengal Pollution Control Board, & Ors. dated 06/07/2015 regarding illegal activities going on which are polluting the river Adi Ganga and obstructing the flow of water.

Researcher Discovers Groundwater Modeling Breakthrough

A University of Wyoming professor has made a discovery that answers a nearly 100-year-old question about water movement, with implications for agriculture, hydrology, climate science and other fields. After decades of effort, Fred Ogden, UW’s Cline Chair of Engineering, Environment and Natural Resources in the Department of Civil and Architectural …

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